test: Fix integration test dependencies

[holmanb]

Proposed Commit Message

test: Fix integration test dependencies

Commit acc68de0 introduced a change which no longer builds a wheel, however integration tests now fail when dependencies are not available.

Include the base requirements in test-requirements.txt.

Fixes GH-5210

Additional Context

without this change I see this locally:

================================================ FAILURES ================================================
____________________________________ TestCombined.test_run_frequency _____________________________________

self = <test_combined.TestCombined object at 0x7ae41489a900>
class_client = <tests.integration_tests.instances.IntegrationInstance object at 0x7ae414cb1e80>

    def test_run_frequency(self, class_client: IntegrationInstance):
        log = class_client.read_from_file("/var/log/cloud-init.log")
        config_dir = Path(cloudinit.config.__file__).parent
        module_paths = glob.glob(str(config_dir / "cc*.py"))
        module_names = [Path(x).stem for x in module_paths]
        found_count = 0
        for name in module_names:
>           mod = importlib.import_module(f"cloudinit.config.{name}")

tests/integration_tests/modules/test_combined.py:298: 
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 
/usr/lib/python3.12/importlib/__init__.py:90: in import_module
    return _bootstrap._gcd_import(name[level:], package, level)
<frozen importlib._bootstrap>:1387: in _gcd_import
    ???
<frozen importlib._bootstrap>:1360: in _find_and_load
    ???
<frozen importlib._bootstrap>:1331: in _find_and_load_unlocked
    ???
<frozen importlib._bootstrap>:935: in _load_unlocked
    ???
<frozen importlib._bootstrap_external>:995: in exec_module
    ???
<frozen importlib._bootstrap>:488: in _call_with_frames_removed
    ???
cloudinit/config/cc_rh_subscription.py:12: in <module>
    from cloudinit.cloud import Cloud
cloudinit/cloud.py:12: in <module>
    from cloudinit.distros import Distro
cloudinit/distros/__init__.py:52: in <module>
    from cloudinit.net import activators, dhcp, renderers
cloudinit/net/activators.py:11: in <module>
    from cloudinit.net.network_manager import available as nm_available
cloudinit/net/network_manager.py:25: in <module>
    from cloudinit.net.sysconfig import available_nm_ifcfg_rh
cloudinit/net/sysconfig.py:12: in <module>
    from cloudinit.distros.parsers import networkmanager_conf, resolv_conf
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 

    # Copyright (C) 2017 Red Hat, Inc.
    #
    # Author: Ryan McCabe <rmccabe@redhat.com>
    #
    # This file is part of cloud-init. See LICENSE file for license information.
    
>   import configobj
E   ModuleNotFoundError: No module named 'configobj'

cloudinit/distros/parsers/networkmanager_conf.py:7: ModuleNotFoundError
------------------------------------------- Captured log call --------------------------------------------
2024-05-01 10:04:22 INFO      pycloudlib.instance:instance.py:270 executing: sudo -- sh -c 'cat /var/log/cloud-init.log'

Merge type

• Squash merge using "Proposed Commit Message"
• Rebase and merge unique commits. Requires commit messages per-commit each referencing the pull request number (#<PR_NUM>)

[TheRealFalcon]

LGTM!